if(!empty($user['yearofbirth'])){
function calc_age($d, $m, $y)
{
$age = date('Y') - $y;
$_m = date('m');
if($_m < $m || ($_m == $m && date('d') < $d))
$age--;
return $age;
}
$user_age = calc_age($user['dayb'], $user['monthb'], $user['yearofbirth']);
echo "<b>".$user_age." yosh</b><br/>";
}